?? function.java
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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Rhino code, released * May 6, 1999. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1997-1999 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * Norris Boyd * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License (the "GPL"), in which case the * provisions of the GPL are applicable instead of those above. * If you wish to allow use of your version of this file only * under the terms of the GPL and not to allow others to use your * version of this file under the NPL, indicate your decision by * deleting the provisions above and replace them with the notice * and other provisions required by the GPL. If you do not delete * the provisions above, a recipient may use your version of this * file under either the NPL or the GPL. */// API classpackage org.mozilla.javascript;/** * This is interface that all functions in JavaScript must implement. * The interface provides for calling functions and constructors. * * @see org.mozilla.javascript.Scriptable * @author Norris Boyd */public interface Function extends Scriptable, Callable{ /** * Call the function. * * Note that the array of arguments is not guaranteed to have * length greater than 0. * * @param cx the current Context for this thread * @param scope the scope to execute the function relative to. This is * set to the value returned by getParentScope() except * when the function is called from a closure. * @param thisObj the JavaScript <code>this</code> object * @param args the array of arguments * @return the result of the call */ public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args); /** * Call the function as a constructor. * * This method is invoked by the runtime in order to satisfy a use * of the JavaScript <code>new</code> operator. This method is * expected to create a new object and return it. * * @param cx the current Context for this thread * @param scope an enclosing scope of the caller except * when the function is called from a closure. * @param args the array of arguments * @return the allocated object */ public Scriptable construct(Context cx, Scriptable scope, Object[] args);}
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